CVE-2014-8602

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*", "matchCriteriaId": "656FF147-B19F-47F9-B6E0-D0732ECA05DD", "versionEndIncluding": "1.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*", "matchCriteriaId": "49A63F39-30BE-443F-AF10-6245587D3359", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals."}, {"lang": "es", "value": "iterator.c en NLnet Labs Unbound anterior a 1.5.1 no limita el encadenamiento de la delegaci\u00f3n, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de memoria y CPU) a trav\u00e9s de un n\u00famero grande o infinito de remisiones."}], "id": "CVE-2014-8602", "lastModified": "2026-06-17T00:17:00.437", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-12-11T02:59:03.233", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://unbound.net/downloads/patch_cve_2014_8602.diff"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2014/dsa-3097"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/264212"}, {"source": "cve@mitre.org", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/71589"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-2484-1"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://unbound.net/downloads/CVE-2014-8602.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://unbound.net/downloads/patch_cve_2014_8602.diff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2014/dsa-3097"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/264212"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/71589"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-2484-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://unbound.net/downloads/CVE-2014-8602.txt"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2015:2455", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "unbound-0:1.4.20-26.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}], "bugzilla": {"description": "unbound: specially crafted request can lead to denial of service", "id": "1172065", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1172065"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-770", "details": ["iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.", "A denial of service flaw was found in unbound that an attacker could use to trick the unbound resolver into following an endless loop of delegations, consuming an excessive amount of resources."], "name": "CVE-2014-8602", "public_date": "2014-12-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-8602\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-8602"], "threat_severity": "Low"}

{}